On Thu, May 10, 2018 at 05:54:30PM -0700, Gregory Rose wrote: > On 5/1/2018 6:53 PM, Ben Pfaff wrote: > >Hi Greg. > > > >We've had multiple reports now that Geneve kernel-based tunnels do not > >work in Open vSwitch if IPv6 is not enabled. Do you have an idea > >whether we should consider this a bug in OVS or a bug in the > >documentation? That is, should we plan to fix it (when we can) or > >should we plan to document that Geneve requires IPv6? (Or is something > >else going on?) > > > >No rush. > > > >Thanks, > > > >Ben. > > Sorry for the late response. It is just how the Linux kernel is > configured. There was an internal bug > filed a few months ago where I found that geneve depends on a certain kernel > configuration that > cannot be overridden and disabling ipv6 causes the check for the > configuration to always fail. > > The upshot is that there is no fix without making changes to the upstream > Linux kernel. It is a Linux > kernel limitation and should probably be documented as you say, i.e. "Geneve > requires ipv6".
Thanks for investigating. Even if this isn't fixable out-of-tree, is it something for which we should submit a fix so that future upstream releases don't have the same limitation? Thanks, Ben. _______________________________________________ discuss mailing list [email protected] https://mail.openvswitch.org/mailman/listinfo/ovs-discuss
